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Finding the Fourth Proportional to 334,547.60, 501,432.60 and 134,769.20

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Solution

The fourth proportional to 334,547.60, 501,432.60 and 134,769.20 is: 201,997.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,547.60 : 501,432.60 = 134,769.20 : x
  2. Step 2: Convert to fraction form
    334,547.60/501,432.60 = 134,769.20/x
  3. Step 3: Cross multiply
    334,547.60x = 501,432.60 × 134,769.20
  4. Step 4: Simplify right side
    334,547.60x = 67,577,670,355.92
  5. Step 5: Solve for x
    x = 67,577,670,355.92/334,547.60
  6. Step 6: Final answer
    x = 201,997.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.